Electrochromic device of automobile reflector

Abstract

An electrochromic device of an automobile reflector comprises an upper layer, a middle layer and a lower layer, the middle layer is composed of electrochromic liquid surrounded by frame glue, the frame glue is of a complete annular structure, a through hole is formed in the position, close to the frame glue, of the lower layer, and the through hole is filled with a sealing plug capable of sealing the through hole. Compared with the prior art, the liquid filling opening is the through hole formed in the lower layer, so that a notch does not need to be formed in the frame glue which surrounds the electrochromic liquid, the frame glue is of a complete annular structure during manufacturing, the sealing consistency is good, the frame glue is convenient to glue and manufacture, and the sealing performance of the frame glue is better; the leakage of the electrochromic liquid at the frame glue can be effectively avoided, and the product quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of automobile rearview mirror technical field, especially a kind of electrochromic device of automobile reflector. BACKGROUND

[0002] The current manufacturing process of electrochromic device is that coated glass is cut into two pieces according to requirements, edge grinding is followed by cleaning and then lamination, and then liquid filling and aging, in the lamination link, first glue on one piece, reserve a notch, prepare to do liquid filling, then laminate the other piece of glass, temporarily solidify UV glue, and after heating and drying, electrochromic liquid is filled in, electrode strip is clamped, or conductive adhesive is used, because a notch is reserved, it is very inconvenient for operation, the setting of glue outlet of equipment is required to be too high from the setting of final end, and the consistency of product made is not good, some notches are left large, and there is a risk of leakage when using the same process to seal, so the method needs to be further improved. SUMMARY

[0003] The utility model provides electrochromic device of automobile reflector that sealing consistency is good and can avoid electrochromic liquid leakage for the above-mentioned technical problems of prior art.

[0004] The utility model discloses a kind of electrochromic device of automobile reflector, including upper layer, middle layer of electrochromic liquid consisting of frame glue, lower layer, its characterized in that: the frame glue is complete annular structure, through-hole is provided on the lower layer and close to frame glue position, the through-hole is filled with sealing plug that can close through-hole.

[0005] As an improvement, the through-hole can preferably be a wedge-shaped hole with a large opening at one end and a small opening at the other end.

[0006] Further improvement, the wedge-shaped hole can preferably be composed of a stepped hole and a tapered hole.

[0007] As an improvement, the sealing plug can preferably be a solid structure formed by filling UV glue in the through-hole and solidifying.

[0008] As an improvement, the upper layer can preferably include an upper glass and an upper conductive film layer disposed on the bottom surface of the upper glass.

[0009] Further improvement, the upper conductive film layer can preferably be an ITO film layer.

[0010] As an improvement, the lower layer can preferably include a lower glass and a lower conductive film layer disposed on the surface of the lower glass.

[0011] Further improvement, the lower conductive film layer can preferably be a metal film layer.

[0012] Further improvement, the through hole can be preferably a small hole drilled by a glass special drill bit, and the diameter of the small hole is less than 2mm.

[0013] Further improvement, the through hole can be preferably a micro hole drilled by a laser, and the diameter of the micro hole is less than 1mm.

[0014] Compared with the prior art, the advantage of the utility model lies in that the liquid filling port is a through hole arranged on the lower layer, so that the frame glue surrounding the electrochromic liquid does not need to be provided with a notch, and therefore the frame glue is a complete annular structure during production, the sealing consistency is good, the frame glue is convenient to produce, the sealing property of the frame glue is better, the electrochromic liquid can be effectively prevented from leaking at the frame glue, and the product quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a structural schematic view of the utility model embodiment;

[0016] Figure 2 is Figure 1 is a front projection view of the lower layer in the utility model;

[0017] Figure 3 is Figure 1 is an enlarged view of the I part in the utility model;

[0018] Figure 4 is Figure 3 is an enlarged view of the utility model after removing the sealing plug;

[0019] Figure 5 is Figure 4 is a structural schematic view of the utility model when a combination structure of a stepped hole and a tapered hole is adopted. DETAILED DESCRIPTION

[0020] The utility model will be further described in detail below in combination with the embodiment of the drawings.

[0021] As Figures 1 to 4As shown, the electrochromic device of the automobile reflector of the present embodiment comprises an upper layer, a middle layer composed of the electrochromic liquid 3 surrounded by the frame glue 4, and a lower layer. The frame glue 4 is a complete annular structure. A through hole 22 is provided on the lower layer and close to the position of the frame glue 4. The through hole 22 is filled with a sealing plug 23 capable of closing the through hole. The through hole 22 is a wedge-shaped hole with one end open wide and the other end open narrow. The sealing plug 23 is a solid structure formed after the UV glue is filled in the through hole 22 and solidified. The upper layer comprises an upper glass 1 and an upper conductive film layer 11 provided on the bottom surface of the upper glass 1. The upper conductive film layer 11 is an ITO film layer. The lower layer comprises a lower glass 2 and a lower conductive film layer 21 provided on the surface of the lower glass 2. The lower conductive film layer 21 is a metal film layer. The through hole 22 is a small hole drilled by a glass special drill bit, and the diameter of the small hole is less than 2 mm. Alternatively, the through hole 22 is a micro-hole drilled by a laser, and the diameter of the micro-hole is less than 1 mm.

[0022] Figure 1 The reference numeral 5 indicates the conductive glue, and the reference numeral 6 indicates the electrode sheet. Figure 2 The reference numeral 51 indicates the upper conductive glue, and the reference numeral 52 indicates the lower conductive glue. As shown, Figure 5 The through hole 22 is a wedge-shaped hole with one end open wide and the other end open narrow. The wedge-shaped hole is composed of a stepped hole 221 and a tapered hole 222.

[0023] Working principle, directly drill a through hole on the lower glass, so that the frame glue does not need to leave a gap, and the electrochromic liquid is directly poured into the middle layer cavity from the through hole. After filling, only the UV glue is used to seal the through hole. The UV glue is solidified after being irradiated by ultraviolet light to seal the through hole, so that the middle layer cavity is completely sealed.

Claims

1. An electrochromic device for automotive rearview mirrors, comprising an upper layer, a middle layer consisting of an electrochromic liquid (3) surrounded by a frame glue (4), a lower layer, characterized in that: The frame glue (4) is a complete ring structure, and a through hole (22) is arranged on the lower layer and close to the position of the frame glue (4), and the through hole (22) is filled with a sealing plug (23) capable of sealing the through hole.

2. The electrochromic device of claim 1, wherein: The through hole (22) is a wedge-shaped hole with one end being large and the other end being small.

3. Electrochromic device according to claim 2, characterized in that: The wedge-shaped hole is composed of a stepped hole (221) and a tapered hole (222).

4. Electrochromic device according to any one of claims 1 to 3, characterized in that: The sealing plug (23) is a solid structure formed after the UV glue is filled in the through hole (22) and solidified.

5. Electrochromic device according to any one of claims 1 to 3, characterized in that: The upper layer includes an upper layer glass (1) and an upper conductive film layer (11) arranged on the bottom surface of the upper layer glass (1).

6. Electrochromic device according to claim 5, characterized in that: The upper conductive film layer (11) is an ITO film layer.

7. The electrochromic device according to any one of claims 1 to 3, characterized by: The lower layer includes a lower layer glass (2) and a lower conductive film layer (21) arranged on the surface of the lower layer glass (2).

8. Electrochromic device according to claim 7, characterized in that: The lower conductive film layer (21) is a metal film layer.

9. The electrochromic device of claim 7, wherein: The through hole (22) is a small hole drilled by a glass special drill bit, and the diameter of the small hole is less than 2 mm.

10. The electrochromic device of claim 7, wherein: The through hole (22) is a micro-hole drilled by a laser, and the diameter of the micro-hole is less than 1 mm.

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